85247027261 has 8 divisors (see below), whose sum is σ = 93034790784. Its totient is φ = 77465602720.

The previous prime is 85247027249. The next prime is 85247027287. The reversal of 85247027261 is 16272074258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85247027261 - 2³⁰ = 84173285437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85247027461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556600 + ... + 1610433.

It is an arithmetic number, because the mean of its divisors is an integer number (11629348848).

Almost surely, 2^85247027261 is an apocalyptic number.

It is an amenable number.

85247027261 is a deficient number, since it is larger than the sum of its proper divisors (7787763523).

85247027261 is a wasteful number, since it uses less digits than its factorization.

85247027261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169491.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 85247027261 in words is "eighty-five billion, two hundred forty-seven million, twenty-seven thousand, two hundred sixty-one".